// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package errors

// CorrelationID of the error.
func (e *Error) CorrelationID() string {
	if e == nil {
		return ""
	}
	return e.correlationID
}

// CorrelationID is not present in the error definition, so this just returns an empty string.
func (*Definition) CorrelationID() string { return "" }
